очень интересное расширение

So interesting and useful add

Requires a monthly subscription to save information privately. Does not make this outright clear enough until after account creation. Do not recommend unless you're okay with your bookmarks being public.

Pearltrees extension worked great until Firefox 78. Since it's been 3 years since the last extension update, it's time for Pearltrees to do a little maintenance and fix it for their paid subscribers.

Super

Bookmarking Is Tomorrows Memory, Alibi and teacher.

very good